Chronic fatigue syndrome, in Aajonus's framework, is not a discrete disease category with a single identity. As he stated plainly: "To me it is not even a category." It is an umbrella condition, a cluster of symptoms that can arise from several different underlying causes, all of which produce the same dominant experience: an almost constant, overwhelming feeling of physical, emotional, and mental weariness that is not relieved by sleep, not caused by exertion, and not measurable by conventional tests.

He described it as "an almost constant feeling of physical, emotional and mental weariness." This distinguishes it categorically from ordinary fatigue, which he defined separately as "the 'normal' feeling of physical, emotional and mental weariness at the end of a day." Ordinary fatigue is expected and healthy; chronic fatigue syndrome is pathological and persistent.

The people who suffer from it present consistently: they are typically skinny and irritable. As he told one correspondent directly: "You talk about how people with chronic fatigue syndrome are always skinny and irritable. Yep, that has been me." This pairing, low body weight and irritability, was not incidental to Aajonus but a diagnostic marker pointing toward the underlying physiology: insufficient fat stores, toxic accumulation in nervous tissue, and glandular failure.

Aajonus explicitly rejected the medical framework that treats chronic fatigue as mysterious or idiopathic. He observed that conventional testing virtually always comes back normal: "All of my tests, and I took every test under the sun, more or less came back fine. And so it was a mysterious chronic fatigue weight loss syndrome." The invisibility of the condition to conventional diagnostics was, in his view, confirmation that it operates at a level, toxicity, enzyme insufficiency, glandular exhaustion, that standard bloodwork and imaging cannot detect.

He also refused to conflate it automatically with Candida, even though the two are frequently associated. He noted that many people labeled with chronic fatigue/candida syndrome either have no detectable Candida at all, or have only antibodies in their blood indicating past exposure, meaning they may not currently have active Candida infection. "Basically they are lethargic. Some people can't even work." The label matters less to Aajonus than understanding the actual physiological mechanism in each individual.

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Aajonus identified multiple distinct root causes for chronic fatigue syndrome, and he was careful to note that the cause could differ from person to person. The case-by-case variation was foundational to his approach: "Again, I know they will all be different one to the next." His framework organized these causes into several interrelated categories.

The most common root cause, in Aajonus's assessment, is adrenal exhaustion. He stated this explicitly: "It is. They've over-secreted, worked them to death and they've exhausted them. So it's usually adrenal exhaustion."

The adrenal glands produce hormones, particularly adrenaline, that the body uses for energy production when the normal pathways of fat metabolism and red blood cell oxygen delivery are compromised. When people are not eating properly, not digesting properly, and not doing anything properly, the body compensates by relying on adrenal hormone production to sustain function. He explained: "The body will use adrenaline to give you a high and a boost. What happens when people become adrenal fatigued? All of a sudden they can't even function at all, because the body's relying upon that hormone to function, because they're not eating properly. They're not digesting properly."

Eventually, the adrenal glands simply cannot sustain this compensatory output any longer. "Even the adrenal glands are shocked." At that point, the person collapses into what is recognizable as chronic fatigue syndrome, an inability to get out of bed, to move, to perform the most basic daily activities.

He was very specific about the severity threshold: "If you have adrenal fatigue, you're not going to get out of a chair. You're not going to get off the bed. You're not going to be able to move." This is true adrenal exhaustion, which he distinguished from the milder "adrenal fatigue" label now commonly applied by alternative medicine practitioners. In his framework, the term should be reserved for the most extreme presentations.

The personality and lifestyle profile most associated with this form of chronic fatigue is the Type A individual, someone who has driven themselves relentlessly. "It is usually adrenal exhaustion. And it usually always goes along with type A, unless it's a person who was of another type, of type B or C, but used a tremendous amount of coffee or coca cola with caffeine, tremendous amount of caffeine." Caffeine, in other words, can produce the same trajectory of adrenal stimulation and eventual collapse regardless of baseline personality type.

The mechanism of caffeine-induced adrenal exhaustion is straightforward: "Stimulates the adrenals until they break down. That's why it gives you the up." The temporary energy boost from caffeine comes at the cost of progressively depleting the adrenal glands' reserve capacity.

Another primary cause Aajonus identified was a severely congested lymphatic system. He stated: "The people I know who have the most chronic fatigue, fibromyalgia, have a congested lymphatic system. I've seen it in every case."

The lymphatic system is, in his framework, the immune system, responsible for clearing toxins, cellular debris, and waste products from the tissues. When it becomes congested, the body cannot adequately move these toxins out. The result is a progressive buildup of toxic material throughout the tissues, which interferes with cellular energy production, nerve function, and glandular activity.

This congestion, in his observation, can arise from environmental chemical exposure, industrial pollution, pesticides, and the accumulated byproducts of eating cooked and processed food over years and decades.

In some cases, which he described as more rare, the lymphatic system itself is not the primary problem. Instead, other glandular systems are damaged, particularly by mercury from vaccines or medications stored in the endocrine glands. "Occasionally, I've just seen a rare occasion in some chronic fatigue that the lymph system isn't completely congested, but the glandular system is affected by mercury from vaccines or some other medication that is stored in the endocrine gland system."

Mercury is particularly destructive because it does not merely sit inertly in tissue. "Mercury constantly irritates and sets out gases, which destroys surrounding tissue. So as long as the mercury is in your body, it's going to create damage." When this mercury is deposited in endocrine glands rather than in fat tissue, those glands cannot function properly, and the result is the kind of deep, unrelenting fatigue characteristic of chronic fatigue syndrome.

He also identified a more general version of this mechanism: some people have perfectly functioning adrenal glands and yet still suffer chronic fatigue, because the hormones those glands produce are being entirely consumed in managing systemic toxicity rather than generating energy. "I know a lot of people that have very good adrenal glands but yet have chronic fatigue. Why? Because they've got toxins in the body. They're using all that adrenaline to deal with that toxicity to keep them from having a more serious disease. So, they don't get to utilize their hormones for energy. They have to use them for detoxification."

Aajonus identified another specific and underrecognized cause: "Often chronic fatigue syndrome is from not having the enzyme-mutation to digest cooked green foods. Avoid cooked green foods." This enzyme-mutation deficit means that cooked green foods do not digest but instead putrefy and create toxic byproducts within the gut, contributing to systemic toxicity and fatigue.

A critical and recurring cause throughout all of Aajonus's discussions of chronic fatigue is insufficient dietary fat, or the inability to properly digest, assimilate, and utilize fat as fuel. He stated: "Fat is the most important thing for anybody who's fatigued, anybody who has a problem. You've got to control those poisons." And separately, regarding adrenal gland function: "The adrenals have to do with not having enough fat? Not having the proper kinds of fat to utilize and to generate energy, or your red blood cells aren't healthy enough to bring in the oxygen to alter the fat into energy."

The body's normal energy pathway depends on fat as its primary fuel. When raw fat is absent, either because it is not consumed or because the individual lacks the enzyme-mutations to utilize cooked fat, the body cannot produce energy through normal metabolic pathways. Instead, it falls back on adrenal stimulation, which then exhausts the adrenal glands, completing the cycle that produces chronic fatigue.

Fat also serves a protective role against the specific toxins that drive chronic fatigue from the glandular damage pathway. When there is sufficient fat in the body, mercury and other metallic toxins can be bound and contained. "If you're very fat, then it's great, because you have enough there to bind with those poisons. As the mercury vaporizes and crystallizes, you have enough fats there to bind with it." Without adequate fat stores, these toxins circulate freely and damage surrounding tissues, including the glands whose function is essential for energy production.

Environmental chemical exposure is a direct causal factor that Aajonus returned to repeatedly. "I have a lot of people who were raised around industry or under an airport, and they have been into chronic fatigue or fibromyalgia for years, and they come out of it when they get on the diet. It may take a few years, but they do." This establishes that the Primal Diet can reverse environmentally induced chronic fatigue, but the timeline is measured in years, not months.

He also identified jet fuel exposure as a specific environmental trigger, noting that flight attendants and pilots suffer a distinctive fatigue pattern, "neck aches, head aches, swollen feet, legs", from chronic inhalation of jet fuel byproducts that coat the interior compartments of aircraft.

The first of two foundational factors Aajonus listed as causative of both chronic fatigue syndrome and fibromyalgia in his article on those subjects was: "eating cooked and/or processed food that is devoid of live nutrients and full of the toxic byproducts of cooking, pesticides and other chemicals." Cooking destroys enzymes and creates toxic byproducts, which accumulate in the body over time and progressively burden every system, including those responsible for energy production.

Aajonus described multiple cases in which chronic fatigue developed directly from vegetarian diets, particularly cooked vegetarian or vegan diets followed for extended periods. He described a community of long-term vegetarians, 15 to 32 years, in Asheville, North Carolina, many of whom were "very sick." One man specifically presented with "chronic fatigue and fibromyalgia" along with black rings around the eyes, gray skin, and extreme thinness.

He also described a man who had lived in an ashram in India for four to five years on a cooked food vegetarian diet and "had been weak ever since." Medical doctors, herbologists, and various practitioners had been unable to identify the cause or provide effective treatment. The cause, in Aajonus's framework, was the absence of raw animal protein and raw fat, the nutrients most essential for maintaining glandular function and energy metabolism.

Several case studies and passing references connect vaccine-induced toxicity, particularly mercury from vaccines, to the development of chronic fatigue. One sixteen-year-old boy examined by Aajonus in a seminar presented with complete glandular exhaustion: "all of your glands are completely fatigued... your testes, your adrenal glands, the left is completely exhausted... it's like you've got chronic fatigue." Aajonus asked: "Did he have some heavy vaccines at that age?", indicating vaccines as the suspected precipitating cause of this presentation in someone so young.

Aajonus specifically identified rough massage as capable of triggering what presents as chronic fatigue syndrome through uncontrolled toxic dumping. He wrote: "I have seen rough massages cause detoxification resulting in long-term symptoms of myalgia/chronic fatigue syndrome." The mechanism is that rough massage disturbs too many stored toxins simultaneously, causing a massive detoxification cascade that can produce long-lasting fatigue and pain symptoms.

He made the same observation about aggressive detoxification in general, whether from diet, supplements, or other interventions. A client who had been on the Primal raw diet for an extended period believed her ongoing fatigue was "from rapid detoxification" and feared she had "permanently damaged her body by detoxing too fast." Aajonus's framework acknowledges that too-aggressive detoxification can create prolonged fatigue symptoms as a side effect, though it is not "damage" in the conventional sense but rather an ongoing detoxification process.

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Chronic fatigue syndrome sits primarily at the intersection of several causal principles in Aajonus's framework:

Root Cause / Terrain Theory: The condition represents a terrain that has been so thoroughly depleted, of raw fat, of enzyme activity, of glandular reserve capacity, and so burdened with accumulated toxicity that basic energy production has failed. The terrain is the subject, not the symptoms.

Cooked Food: The direct causative role of cooked food is central. Cooking destroys enzymes, creates toxic byproducts, and, critically, generates the advanced glycation end products (AGEs) and other waste compounds that congest the lymphatic system, damage glandular tissue, and deprive cells of usable nutrients. The enzyme deficit that prevents digestion of cooked green foods is specifically identified as a pathway to chronic fatigue.

Detoxification: Chronic fatigue often worsens or is directly precipitated by detoxification events, whether from switching to the Primal Diet, from rough massage, from aggressive use of molded foods, or from the body's autonomous cycles of detoxification. Understanding the detoxification framework is essential for managing the condition without causing iatrogenic worsening.

Raw Food: Recovery is fundamentally organized around raw food, specifically raw meat, raw fat, raw eggs, and raw dairy, as the means by which the terrain is rebuilt, glandular function restored, and toxic accumulation gradually cleared.

How to Eat: Specific meal timing, food combination, nighttime eating protocols, and the role of body fat accumulation as a therapeutic strategy are all central to managing and reversing chronic fatigue on the Primal Diet.

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What conventional medicine calls "unexplained fatigue" or "post-exertional malaise," Aajonus reframes as the logical endpoint of glandular exhaustion combined with toxic accumulation. The body has no remaining hormonal reserve to sustain function because either the adrenals are spent or all available hormones are being redirected to manage toxicity rather than produce energy. The medical system finds "nothing wrong" on tests because the problem is not in any single organ but in the overall systemic terrain.

A hallmark symptom of chronic fatigue syndrome, sleep that leaves the person more depleted than before, is reframed by Aajonus as a consequence of red blood cell self-cannibalization. When a person goes more than five hours without eating, red blood cells begin eating each other to obtain nutrients. "Then you'll wake exhausted. Because you have anemia." The solution is not more sleep but eating during the night to prevent this process from occurring.

He described this pattern in clinical detail: "If you do, like I said earlier, your red blood cells will eat each other. And then you'll wake exhausted. Because you have anemia. The only way to resolve that is to eat at least every five hours."

The classic body composition of someone with chronic fatigue, very thin, unable to gain muscle regardless of food intake, is reframed as a symptom of severe mercury poisoning combined with insufficient raw protein and fat. "I've never been able to build muscle. I must have been really poisoned from mercury fillings, vaccines and dead chemicalized food." Without raw protein providing bioavailable amino acids and without the enzymes to utilize them, the body cannot rebuild muscle tissue even when dietary intake appears adequate.

The thinness is also pathologically dangerous from Aajonus's perspective, because very thin individuals have no extracellular fat stores in which to sequester toxins. "Very thin individuals are likely to store their toxins intra-cellularly because they have no extra tissue/muscle fat in which to store toxins. That can mutate DNA and RNA, dry the vascular and lymphatic systems, and gradually create many diseases." This means the chronic fatigue patient who is very thin is not just fatigued but at substantially elevated risk for degenerative disease.

The irritability characteristic of chronic fatigue patients is reframed as a neurological symptom of fat depletion in the myelin sheaths. When blood fat levels drop too low, "the body goes into the nervous system and starts ripping the fats out of the myelin." This produces characteristic irritability and emotional dysregulation. He used the analogy of severe PMS to illustrate the same mechanism: "Check out a woman with severe PMS. You'll find high sugar in her blood, very low fat levels. Fat that she can utilize anyway as fuel."

Depression as a feature of chronic fatigue is reframed as having multiple overlapping causes: toxic accumulation in the nervous system, low fat availability for myelin maintenance, and the paradoxical frustration of partial recovery. In one case study, a woman who had been chronically fatigued since age 20 began experiencing increasing depression as she gained health, "the healthier she got, the more depression she got because the more energy she got, the more frustrated she was because there was still that certain amount of inertia that was built up for so long." She had energy but didn't know what to do with it, and the gap between her potential and her actual activity produced depression.

He noted generally that "most depression will go away with eating the meat... there are some cases with chronic fatigue" where additional interventions are needed.

Waking feeling worse than before sleep, sometimes described as feeling "run over by a truck", is reframed as a consequence of overnight anemia from the five-hour rule. "Sleeping depletes me of energy and it takes me several hours to recover. It might feel like having a hangover." This is not a feature of chronic fatigue per se but of the failure to eat during the night, which allows red blood cell self-cannibalization to proceed through the entire sleep period.

The pattern of having no usable energy until 10 a.m. or noon is reframed as a correctable consequence of overnight fasting. Aajonus described a specific case: "John Fox from Nevada City. Two years he'd been on the diet. He said, but I have no energy until ten o'clock or noon. But I do great after that." When instructed to wake in the night and eat something, this pattern resolved immediately: "He had all the energy in the world when he was waking in the morning. That was the key."

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The foundational treatment for chronic fatigue syndrome on the Primal Diet is raw meat consumed two to four times daily as part of a balanced raw diet. Aajonus stated this directly: "Eating raw meat 2-4 times daily on a balanced raw diet corrects this condition, sometimes", acknowledging that timing and completeness vary by case.

Raw meat provides the complete profile of amino acids in their most bioavailable form, without the toxic byproducts of cooking, and with their enzymes intact to facilitate digestion and assimilation. It is the most reliable single food intervention for rebuilding glandular function, correcting anemia, and restoring energy.

He also applied raw meat specifically to patients who had no appetite, one of the most difficult presentations in chronic fatigue. To a vegetarian man with chronic fatigue and no appetite, he said: "I don't care, James. If you're not vomiting, you're eating. That means I want you to keep stuffing it down you, even if you feel like you're nauseous." The imperative to eat regardless of appetite is central to his approach, because the loss of appetite in chronic fatigue is itself a symptom of the condition, not a legitimate guide to food intake.

Fat is described as the most important single dietary element for anyone with fatigue or toxic accumulation. "Fat is the most important thing for anybody who's fatigued, anybody who has a problem. You've got to control those poisons." The mechanisms are multiple:

1. Fat binds with circulating toxins (especially mercury) and prevents them from damaging surrounding tissue. 2. Fat is the body's preferred fuel, without adequate raw fat, the body cannot generate energy through normal metabolic pathways. 3. Fat protects the myelin sheaths of the nervous system, preventing the irritability and emotional dysregulation that accompany fat depletion. 4. Fat builds the body stores necessary for sequestering toxins extracellularly, where they cause less damage than when stored intracellularly.

Specific fat sources mentioned include: raw butter, raw cream, raw milk (fat component), avocados, coconut cream, and the fat naturally present in raw meat. These should be consumed abundantly and consistently throughout the day.

Aajonus described a deliberate strategy of gaining excess body weight as a therapeutic intervention for severe chronic fatigue. He documented this through multiple case studies:

Case 1: A woman who had been chronically fatigued since age 20, unable to work more than six hours per week, sleeping 12-16 hours per day. She was approximately 5'5" and went up to 160 pounds on the diet. At that weight, which Aajonus described as "good and healthy, strong, German-looking", her chronic fatigue broke. The timeline: it broke after two years on the diet, with the decisive break occurring at four months after reaching the 160-pound weight. She maintained that weight for a total of nine months. "The progress in that nine months with that excess fat was phenomenal." He noted that he still suggests people go up and down in weight, but documents the value of a sustained period at higher body weight.

Case 2: The same paradigm, that "Eating 1-2 cage-free raw eggs every 1-2 hours followed by ¼ teaspoon unheated honey for 3-5 days usually restores some digestion. Then, daily, adding early morning and evening raw meat meals, an afternoon raw custard, and 1-2 cups fresh raw celery juice, 4 ounces at a time helps restore strength and bring life to normalcy." This protocol was described in the context of intestinal damage but applies broadly to rebuilding after depletion.

Case 3 (seven-person experiment): "For the last two years, I did experiments with several people, seven altogether." He tracked their progress specifically looking at the relationship between body fat accumulation, the timing of the break in chronic fatigue, and subsequent health progress. The pattern was consistent: gaining weight was a prerequisite to breaking the condition, and the period of elevated weight was the period of most rapid progress.

Aajonus was emphatic and repeated across multiple seminars: people with chronic fatigue must not go more than five hours without eating, including during the night. This is not optional. "If you do, like I said earlier, your red blood cells will eat each other. And then you'll wake exhausted. Because you have anemia. The only way to resolve that is to eat at least every five hours. So wake during the night, eat and go back to sleep."

Specific nighttime preparation: A milkshake made of approximately three ounces of raw milk, two raw eggs, and one tablespoon of raw honey, blended together. Drink half before going to sleep and half during the night. This provides enough protein to prevent red blood cell cannibalization without stimulating so much energy that returning to sleep is impossible.

He gave specific instructions for different body types: - Normal individuals: Set alarm for five hours after going to sleep. Have eggs or milkshake. Return to sleep. Wake after another five hours. Total: approximately ten hours of sleep in two segments, with a brief eating interval in between. - Hyperactive individuals with high activity rings: Do not wake after five hours, as this will generate too much energy and prevent return to sleep. Instead, set alarm for three hours, eat, return to sleep for five hours. "That'll get you eight hours. And you won't be tired when you awaken."

The alternative to the milkshake: "a couple of eggs, some cheese, honey and milk. Half a cup of milkshake, cup of milkshake whatever it is." Or: "a half a cup of meat, go back to sleep, with a tablespoon of egg and honey, or something like that." The critical element is protein, "you just can't have cream or butter and honey. It's got to be more concentrated than protein."

For people who need to sustain activity and energy throughout a demanding period, Aajonus described a protocol of eating small amounts every hour. He used this personally to work 20 hours per day with minimal sleep: "One egg every hour. The next hour I'd have one to two golf ball sizes of meat with maybe a teaspoon to a tablespoon of butter or cream. And then the next hour a half a cup of milk instead of a whole cup."

He specified that a full cup of milk "would completely relax me and I'd want to go to sleep. But a half a cup was enough to satiate my system but not cause it to relax enough to want to go to sleep." The milk was at room temperature, not cold.

He documented using this protocol for three consecutive weeks with only an hour and a half of sleep per day, experiencing no mental fatigue, and losing no weight. "I ate almost every hour, on the hour, a small amount. It was mainly protein and fat foods. No fruit."

Raw eggs are highlighted repeatedly as a restorative food for chronic fatigue, particularly in the early stages of recovery or during a crash. "Eating 1-2 cage-free raw eggs every 1-2 hours followed by ¼ teaspoon unheated honey for 3-5 days usually restores some digestion" in cases where the condition has become extreme.

Eggs should be at the bedside for nighttime eating. They can be eaten alone or as part of a blend. Their protein profile is particularly suited to preventing the overnight anemia that deepens morning fatigue.

Raw dairy provides multiple functions in the chronic fatigue protocol:

• Raw milk: Provides protein, fat, and a relaxing effect (hence the dosing advice, not too much at once during daytime sustained-energy protocol).
• Raw cream and butter: Provide fat for toxin-binding, cellular lubrication, and myelin protection.
• Whey: Specifically recommended as an alternative to salt for true adrenal exhaustion. "I've found that whey can do the same thing and it provides a lot of electrolytes without having salt... If you've got adrenal fatigue, you can't get out of bed because you have so much exhaustion and fatigue, then you have some whey. It's a liquid for making cheese. You drink that, it'll start providing the electrolytes to get your body moving again without the salt."

For fibromyalgia and chronic fatigue patients specifically: "my people with fibromyalgia and chronic fatigue, it depends on what's caused it, all eat cheese and honey and some fruit. They just have to eat it with a lot of fat." The cheese draws toxins out of the body. "Cheese will pull those toxins out of the body. It has to be raw, no-salt cheese."

Honey is paired with protein (eggs or meat) rather than eaten alone, to provide immediate energy without creating the metabolic swings associated with sugar alone.

Fresh raw celery juice is recommended, in quantities of 1-2 cups daily, taken 4 ounces at a time (not all at once). Celery provides naturally occurring sodium and electrolytes that support adrenal function without the cellular damage caused by isolated salt. "Celery juice, avocados. There are lots of foods that are concentrated in sodium that you can eat to take care of that balance." This is the preferred sodium-delivery system for adrenal support in chronic fatigue.

Raw liver is mentioned as "very very helpful" for conditions involving glandular exhaustion and chronic fatigue. It was offered specifically in one seminar reading to someone who appeared chronically fatigued.

For extreme cases of depletion and fatigue, Aajonus described a mixture of 50% fresh raw blood and 50% raw milk: "The amount of energy. I could go three days without sleeping. Not needing sleep." He was careful to distinguish this from drug-like stimulation: "It doesn't make you unhealthy... Blood wouldn't do that. Right, blood wouldn't do that. So, you've got all this rich nutrient in blood and milk, and it's wonderful."

In one documented case, a woman who had been chronically fatigued since age 20, who had been on the diet for two and a half years and still struggled with depression, Aajonus introduced high meat (aged, fermented raw meat in the Eskimo tradition) after persuading her to try it. This was presented as an intervention when standard protocol had produced only partial resolution of symptoms, particularly the persistent depression and emotional inertia associated with long-term chronic fatigue.

For the specific pattern of adrenal exhaustion that produces a predictable daily energy drop, "People who have adrenal exhaustion often have an energy drop within 15 minutes of the same time every day", Aajonus recommended eating the Nut Formula fifteen minutes before the expected energy drop each day. "Less preferably, a cooked starch, like French, sourdough, and Italian breads with raw fat" can also be used in this context.

The Lubrication Formula (raw butter-based) was specifically recommended twice daily in cases where the body is retaining water without adequate fat, producing fatigue through that mechanism. "The lubrication formula that I just gave, I suggest you have that twice a day until this resolves because you're just not having enough fat."

Aajonus was insistent that people with fatigue-related conditions must discipline themselves to have vegetable juice immediately upon waking, before allowing themselves to sink into the lethargy of the condition. "Do not let your body get into those syndromes. You get into those syndromes and you feel bad and then you just, oh, fuck, what am I doing with this diet? What do you eat? Like I said, take a couple of eggs with a tablespoon of cream..."

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Aajonus was honest and consistent: recovery from chronic fatigue syndrome takes years, not weeks or months. The specific timelines he documented varied considerably based on the severity of the case, the duration of the illness, the underlying cause, and whether the patient followed the protocol consistently and completely.

A woman who had been chronically fatigued from age 20, able to work only six hours per week, sleeping 12-16 hours per day. On the Primal Diet, her chronic fatigue broke after two years, specifically tied to reaching a weight of 160 pounds. She maintained that weight for a total of nine months. The first four months at that weight were when the break occurred; the remaining five months consolidated the progress. "The progress in that nine months with that excess fat was phenomenal."

A woman who also had cancer (hip and right breast), who had been in chronic fatigue since age 20 until age 27. On the diet, "it did not break that chronic fatigue for about a year and three months... one year and nine months it took her to break it on the diet." Even after breaking the fatigue, she still had some irritability and depression. At two and a half years, Aajonus introduced high meat, which helped address the residual depression.

The relationship between improving health and increasing depression in this case is notable: "The healthier she got, the more depression she got because the more energy she got, the more frustrated she was because there was still that certain amount of inertia that was built up for so long. All of a sudden she wanted to do something and didn't know what to do and depression resulted from that."

"I have some clients, one chronic fatigue individual that she'd been chronic fatigued from the age of 16, I believe it was, until she came to me at 26, I think it was. Been on the diet about 2 years, very slow progress." After two years of slow progress, he moved her to a warm climate, which appeared to accelerate recovery.

A man who entered the diet "only like 40 years old, so ill that his entire face was black around his eyes, gray skin, skinny as can be, chronic fatigue, and fibromyalgia." After three years on the diet: "standing up straight, you know, robust, feels good." Critically, although recovery took three years, "only six weeks of a rough time where he was really fatigued and fibromyalgia... that was only six weeks." The majority of the recovery period was not acutely terrible; the harshest phase was compressed.

This man also demonstrated a specific resolution to his lingering morning fatigue that was not related to the chronic fatigue syndrome itself but to the nighttime eating protocol. He had no energy until 10 o'clock or noon each day, even after three years on the diet. When he finally implemented waking in the night to eat, after Aajonus identified this specific missing piece, he was "bright-eyed and bushy-eyed" the next day. "That was his key. That was a big change for him."

A correspondent wrote to Aajonus after five years on the Primal Diet: "The chronic fatigue has disappeared. I have energy and a joyful outlook on life again. I think you might recall how I have been struggling physically and emotionally for many years. I know I have been detoxing and feel I have crossed over a big hurdle."

Jeff Slay, introducing Aajonus at UCLA in 2007, described how in October 2000 his health "fell apart", "chronically fatigued, losing weight uncontrollably... I was eating everything I could get my hands on and couldn't stop the weight loss... I couldn't make it up a flight of steps without keeling over." He had been down to 78 pounds at his worst (from the three years of trying every alternative approach before finding the Primal Diet). After starting the diet, he reached a point of functional recovery, as evidenced by his ability to give a public talk and work with clients, though the early years were a slow, difficult process.

For environmentally induced chronic fatigue from industrial pollution or living under airports: "It may take a few years, but they do" come out of it. The minimum expectation appears to be one to two years; the more severe and long-standing the condition, the longer the timeline.

He acknowledged that some cases are faster: "Sometimes" the raw meat protocol "corrects this condition", suggesting that in milder or more recently developed cases, resolution can be faster than the multi-year timelines of the severe cases he documented.

He also noted the contrast with what he was developing: "I can do in one year what would normally take somebody five years and what he did in one year was only six weeks of a rough time... Been able to detox heavily with less symptoms. That's what I'm aiming for."

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